Specifications

Chapter 2-34
Power states
• Sleep mode
LCD panel back-light off
• Save to RAM
keyboard(int./ext.) scanning off
• Save to DISK
no actions except turning off system with AC exist or turn off KBC without AC.
SMI/SCI/SWI/SBS/SPB events(To be Changed)
• Following list is which events(SMI/SCI/SWI/SBS) will be generated under different OS.
APM Mode ACPI mode
Function Description ON
mode
S2R
mode
S2D
mode
Trigge
r event
S0
status
S1,S2,
S3
status
S4
status
S5
status
SCI
event
SWI
event
Brightness level changed
SMI - - A1h SCI - - - 11h -
Contrast level changed
SMI - - A2h SMI - - - 12h -
CoverLid close
SMI - - A6h SCI - - - 16h -
Display toggle
SMI - - Ach SCI - - - 1ch -
Battery in critical low
SMI SMI - B2h SCI SCI - - 22h -
Battery in low state
SMI - - B3h SCI - - - 23h -
Standby request
SMI - - B4h - - - - 24h -
Battery pack plugin
SMI - - B5h SBS - - - 25h -
Battery pack removed
SMI - - B6h SBS - - - 25h -
Suspend To RAM request
SMI - - B8h SCI - - - 28h -
Save To DISK request
SMI - - B9h - - - - 29h -
Docking in
SMI - - Bah SCI SPB - - 2ah -
Undock
SMI - - BBh SCI - - - 2bh -
AC plugin
SMI - - C7h SBS - - - 37h -
AC removed
SMI - - C8h SBS - - - 38h -
Modem ringin
SMI - - Cah - SPB - - 3ah 04
PME signal active
SMI SMI - Ceh SCI SPB - - 3eh 02
CRT plugin/out
SMI D0h SCI 40h
RTC Update
SMI D2h SCI 42h
Thermal Status Report and Fan Control
EC will control fan on/off function according to the CPU temperature(EC can get temperature
from thermal sensor through SMBus) .In currently spec,Fan will be off when temperature below